440 lines
12 KiB
PHP
440 lines
12 KiB
PHP
|
<?php
|
||
|
|
namespace dokuwiki\Form;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Class Form
|
||
|
|
*
|
||
|
|
* Represents the whole Form. This is what you work on, and add Elements to
|
||
|
|
*
|
||
|
|
* @package dokuwiki\Form
|
||
|
|
*/
|
||
|
|
class Form extends Element {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var array name value pairs for hidden values
|
||
|
|
*/
|
||
|
|
protected $hidden = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var Element[] the elements of the form
|
||
|
|
*/
|
||
|
|
protected $elements = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a new, empty form with some default attributes
|
||
|
|
*
|
||
|
|
* @param array $attributes
|
||
|
|
*/
|
||
|
|
public function __construct($attributes = array()) {
|
||
|
|
global $ID;
|
||
|
|
|
||
|
|
parent::__construct('form', $attributes);
|
||
|
|
|
||
|
|
// use the current URL as default action
|
||
|
|
if(!$this->attr('action')) {
|
||
|
|
$get = $_GET;
|
||
|
|
if(isset($get['id'])) unset($get['id']);
|
||
|
|
$self = wl($ID, $get, false, '&'); //attributes are escaped later
|
||
|
|
$this->attr('action', $self);
|
||
|
|
}
|
||
|
|
|
||
|
|
// post is default
|
||
|
|
if(!$this->attr('method')) {
|
||
|
|
$this->attr('method', 'post');
|
||
|
|
}
|
||
|
|
|
||
|
|
// we like UTF-8
|
||
|
|
if(!$this->attr('accept-charset')) {
|
||
|
|
$this->attr('accept-charset', 'utf-8');
|
||
|
|
}
|
||
|
|
|
||
|
|
// add the security token by default
|
||
|
|
$this->setHiddenField('sectok', getSecurityToken());
|
||
|
|
|
||
|
|
// identify this as a new form based form in HTML
|
||
|
|
$this->addClass('doku_form');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets a hidden field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $value
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function setHiddenField($name, $value) {
|
||
|
|
$this->hidden[$name] = $value;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#region element query function
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the numbers of elements in the form
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function elementCount() {
|
||
|
|
return count($this->elements);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a reference to the element at a position.
|
||
|
|
* A position out-of-bounds will return either the
|
||
|
|
* first (underflow) or last (overflow) element.
|
||
|
|
*
|
||
|
|
* @param int $pos
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function getElementAt($pos) {
|
||
|
|
if($pos < 0) $pos = count($this->elements) + $pos;
|
||
|
|
if($pos < 0) $pos = 0;
|
||
|
|
if($pos >= count($this->elements)) $pos = count($this->elements) - 1;
|
||
|
|
return $this->elements[$pos];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the position of the first of a type of element
|
||
|
|
*
|
||
|
|
* @param string $type Element type to look for.
|
||
|
|
* @param int $offset search from this position onward
|
||
|
|
* @return false|int position of element if found, otherwise false
|
||
|
|
*/
|
||
|
|
public function findPositionByType($type, $offset = 0) {
|
||
|
|
$len = $this->elementCount();
|
||
|
|
for($pos = $offset; $pos < $len; $pos++) {
|
||
|
|
if($this->elements[$pos]->getType() == $type) {
|
||
|
|
return $pos;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the position of the first element matching the attribute
|
||
|
|
*
|
||
|
|
* @param string $name Name of the attribute
|
||
|
|
* @param string $value Value the attribute should have
|
||
|
|
* @param int $offset search from this position onward
|
||
|
|
* @return false|int position of element if found, otherwise false
|
||
|
|
*/
|
||
|
|
public function findPositionByAttribute($name, $value, $offset = 0) {
|
||
|
|
$len = $this->elementCount();
|
||
|
|
for($pos = $offset; $pos < $len; $pos++) {
|
||
|
|
if($this->elements[$pos]->attr($name) == $value) {
|
||
|
|
return $pos;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
#region Element positioning functions
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds or inserts an element to the form
|
||
|
|
*
|
||
|
|
* @param Element $element
|
||
|
|
* @param int $pos 0-based position in the form, -1 for at the end
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function addElement(Element $element, $pos = -1) {
|
||
|
|
if(is_a($element, '\dokuwiki\Form\Form')) throw new \InvalidArgumentException('You can\'t add a form to a form');
|
||
|
|
if($pos < 0) {
|
||
|
|
$this->elements[] = $element;
|
||
|
|
} else {
|
||
|
|
array_splice($this->elements, $pos, 0, array($element));
|
||
|
|
}
|
||
|
|
return $element;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Replaces an existing element with a new one
|
||
|
|
*
|
||
|
|
* @param Element $element the new element
|
||
|
|
* @param int $pos 0-based position of the element to replace
|
||
|
|
*/
|
||
|
|
public function replaceElement(Element $element, $pos) {
|
||
|
|
if(is_a($element, '\dokuwiki\Form\Form')) throw new \InvalidArgumentException('You can\'t add a form to a form');
|
||
|
|
array_splice($this->elements, $pos, 1, array($element));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove an element from the form completely
|
||
|
|
*
|
||
|
|
* @param int $pos 0-based position of the element to remove
|
||
|
|
*/
|
||
|
|
public function removeElement($pos) {
|
||
|
|
array_splice($this->elements, $pos, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
#region Element adding functions
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a text input field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return InputElement
|
||
|
|
*/
|
||
|
|
public function addTextInput($name, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new InputElement('text', $name, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a password input field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return InputElement
|
||
|
|
*/
|
||
|
|
public function addPasswordInput($name, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new InputElement('password', $name, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a radio button field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return CheckableElement
|
||
|
|
*/
|
||
|
|
public function addRadioButton($name, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new CheckableElement('radio', $name, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a checkbox field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return CheckableElement
|
||
|
|
*/
|
||
|
|
public function addCheckbox($name, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new CheckableElement('checkbox', $name, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a dropdown field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param array $options
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return DropdownElement
|
||
|
|
*/
|
||
|
|
public function addDropdown($name, $options, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new DropdownElement($name, $options, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a textarea field
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $label
|
||
|
|
* @param int $pos
|
||
|
|
* @return TextareaElement
|
||
|
|
*/
|
||
|
|
public function addTextarea($name, $label = '', $pos = -1) {
|
||
|
|
return $this->addElement(new TextareaElement($name, $label), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a simple button, escapes the content for you
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $content
|
||
|
|
* @param int $pos
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function addButton($name, $content, $pos = -1) {
|
||
|
|
return $this->addElement(new ButtonElement($name, hsc($content)), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a simple button, allows HTML for content
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $html
|
||
|
|
* @param int $pos
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function addButtonHTML($name, $html, $pos = -1) {
|
||
|
|
return $this->addElement(new ButtonElement($name, $html), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a label referencing another input element, escapes the label for you
|
||
|
|
*
|
||
|
|
* @param string $label
|
||
|
|
* @param string $for
|
||
|
|
* @param int $pos
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function addLabel($label, $for='', $pos = -1) {
|
||
|
|
return $this->addLabelHTML(hsc($label), $for, $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a label referencing another input element, allows HTML for content
|
||
|
|
*
|
||
|
|
* @param string $content
|
||
|
|
* @param string|Element $for
|
||
|
|
* @param int $pos
|
||
|
|
* @return Element
|
||
|
|
*/
|
||
|
|
public function addLabelHTML($content, $for='', $pos = -1) {
|
||
|
|
$element = new LabelElement(hsc($content));
|
||
|
|
|
||
|
|
if(is_a($for, '\dokuwiki\Form\Element')) {
|
||
|
|
/** @var Element $for */
|
||
|
|
$for = $for->id();
|
||
|
|
}
|
||
|
|
$for = (string) $for;
|
||
|
|
if($for !== '') {
|
||
|
|
$element->attr('for', $for);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->addElement($element, $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add fixed HTML to the form
|
||
|
|
*
|
||
|
|
* @param string $html
|
||
|
|
* @param int $pos
|
||
|
|
* @return HTMLElement
|
||
|
|
*/
|
||
|
|
public function addHTML($html, $pos = -1) {
|
||
|
|
return $this->addElement(new HTMLElement($html), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a closed HTML tag to the form
|
||
|
|
*
|
||
|
|
* @param string $tag
|
||
|
|
* @param int $pos
|
||
|
|
* @return TagElement
|
||
|
|
*/
|
||
|
|
public function addTag($tag, $pos = -1) {
|
||
|
|
return $this->addElement(new TagElement($tag), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add an open HTML tag to the form
|
||
|
|
*
|
||
|
|
* Be sure to close it again!
|
||
|
|
*
|
||
|
|
* @param string $tag
|
||
|
|
* @param int $pos
|
||
|
|
* @return TagOpenElement
|
||
|
|
*/
|
||
|
|
public function addTagOpen($tag, $pos = -1) {
|
||
|
|
return $this->addElement(new TagOpenElement($tag), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a closing HTML tag to the form
|
||
|
|
*
|
||
|
|
* Be sure it had been opened before
|
||
|
|
*
|
||
|
|
* @param string $tag
|
||
|
|
* @param int $pos
|
||
|
|
* @return TagCloseElement
|
||
|
|
*/
|
||
|
|
public function addTagClose($tag, $pos = -1) {
|
||
|
|
return $this->addElement(new TagCloseElement($tag), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Open a Fieldset
|
||
|
|
*
|
||
|
|
* @param string $legend
|
||
|
|
* @param int $pos
|
||
|
|
* @return FieldsetOpenElement
|
||
|
|
*/
|
||
|
|
public function addFieldsetOpen($legend = '', $pos = -1) {
|
||
|
|
return $this->addElement(new FieldsetOpenElement($legend), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close a fieldset
|
||
|
|
*
|
||
|
|
* @param int $pos
|
||
|
|
* @return TagCloseElement
|
||
|
|
*/
|
||
|
|
public function addFieldsetClose($pos = -1) {
|
||
|
|
return $this->addElement(new FieldsetCloseElement(), $pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adjust the elements so that fieldset open and closes are matching
|
||
|
|
*/
|
||
|
|
protected function balanceFieldsets() {
|
||
|
|
$lastclose = 0;
|
||
|
|
$isopen = false;
|
||
|
|
$len = count($this->elements);
|
||
|
|
|
||
|
|
for($pos = 0; $pos < $len; $pos++) {
|
||
|
|
$type = $this->elements[$pos]->getType();
|
||
|
|
if($type == 'fieldsetopen') {
|
||
|
|
if($isopen) {
|
||
|
|
//close previous fieldset
|
||
|
|
$this->addFieldsetClose($pos);
|
||
|
|
$lastclose = $pos + 1;
|
||
|
|
$pos++;
|
||
|
|
$len++;
|
||
|
|
}
|
||
|
|
$isopen = true;
|
||
|
|
} else if($type == 'fieldsetclose') {
|
||
|
|
if(!$isopen) {
|
||
|
|
// make sure there was a fieldsetopen
|
||
|
|
// either right after the last close or at the begining
|
||
|
|
$this->addFieldsetOpen('', $lastclose);
|
||
|
|
$len++;
|
||
|
|
$pos++;
|
||
|
|
}
|
||
|
|
$lastclose = $pos;
|
||
|
|
$isopen = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// close open fieldset at the end
|
||
|
|
if($isopen) {
|
||
|
|
$this->addFieldsetClose();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The HTML representation of the whole form
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function toHTML() {
|
||
|
|
$this->balanceFieldsets();
|
||
|
|
|
||
|
|
$html = '<form ' . buildAttributes($this->attrs()) . '>';
|
||
|
|
|
||
|
|
foreach($this->hidden as $name => $value) {
|
||
|
|
$html .= '<input type="hidden" name="' . $name . '" value="' . formText($value) . '" />';
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach($this->elements as $element) {
|
||
|
|
$html .= $element->toHTML();
|
||
|
|
}
|
||
|
|
|
||
|
|
$html .= '</form>';
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
}
|